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Date of Discovery: 1766 Discoverer: Henry Cavendish Name Origin: From the Greek words hudôr (water) and gennan (generate) Uses: Balloons, metal refining Obtained From: mines, oil, gas wells. GROUP 1 PERIOD 1. Hydrogen. Symbol : H Atomic number : 1 Electron configuration : 1s1
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Date of Discovery: 1766 Discoverer: Henry Cavendish Name Origin: From the Greek words hudôr (water) and gennan (generate) Uses: Balloons, metal refining Obtained From: mines, oil, gas wells GROUP 1 PERIOD 1 Hydrogen Symbol: H Atomic number: 1 Electron configuration: 1s1 Melting point: -434.5°F (-259.1°C) Discovered: 1766 Atomic mass: 1.00794 ± 0.00001 u Discoverer: Henry Cavendish
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